Highway guard



Sept. 23, 1930. c. H. MACDONALD H'I GHWAY GUARD 2 Sheets-Sheet l Filed Feb* 18, 1929 INI/EN TOR C. H. Maca/ona/e/ A TTORNE Y.

Sept; 23, 1930- .I c. H. MACDONALD 1,776,517

HIGHWAY GUARD l Filed Feb. 18, 1929 2 Sheets-Sheet 2 INVENTOR. C H Maeda/:afd

. I ATTORNEY.

@fojas f i Patented sept. 23, 1930 eHARLEs HARVEY lmicnoNALD,l or?,infifnvvnit COLORADO; AssIGNoR 'ro THE eoLomuio e FUEL & moN'coMPANzor nnnvnn, coLonADo t I 'lhis inventionrelates to guard fences? for f i highways and moreparticularly tol guard -Afences of` the generali? type shown ,and idee :scribediny my' application for Vpatent* Serial Nofaeigia-ied June- 11", 192e.`v 1 e e 1 practicability inu'se. 115K Jstruetion and'nove'l arrangements 'of parts as j jwill be brought out in'thecoursefof'ithe fols lowingl I l ,A fg Inte accompanying il' description; I

drawings',

constructed :according f Figure/25 a section "ken on" h linejZf-l--Q, andclravvnl to 'an enlarged seale, showing the cables' constituting the yielding llaterally projectingin 30 "'rbles' inf connection with aV straight the side ofthe road orihighway, v Figure 45 av top vvVievvof' thepostfshvvn Figure 13, and -e Figure -5`, afragnentary 'elevation ofa sideof the road-orhighway bymeans of a tegralfot; Flgule 331e similar-section'showinghmm Pfl-St" Set at Ipost s'iinil'ar' to 'that shown ink Figure 2,' illusi manga modified methodpfsupporeagthe eCblesthereongf f Y ift/40K 1unegewauwelbetween'theml` "f vFigure 6', a fragmentarvvievv of ttvoeables -Similarreference characters designate cor'- v responding parts through'outthefvle'vvs. t

, fThe guard lfenceconuprises aseries'ofzpostfs setat substantially yequal,\,distancesi apart at a .side of a'roadfor highwayfand af'flezfrible barrier supported "forward of? the vposts Y to yield laterally vror `horiontally when accideni tally fIOa'd:

Figure jilfrepresentsla diagrammatic plan e vview ,ojifay guard fence:

" f "to ""thefpresent invention, inf its ope'rativeipo-A "sitinlata side offajWinding'liighvvay,`r l' "displacement 'mit of` setti'ngfthefposts 'at-afside thereof,

n The ba'rrierisessentially Vcornposed of one or'lrnore eables 5 -firmlyg'secured at their ,ends asl at 6,orif neee'ssaryyat intermediatepoints l right hand curves such as indicated at ATi-'I1 Figure 1,' the supports' consist ofv cables such yafs/shown jiIiFigures 25 3a1'1di`5, and

Ehereinafte'rftbe described; at .tangents,

shown atB inyFigure 1or,at reverse curves oindicatedatC in Figure l; thesupportsimust be longitudinally Trgid "to `hold the cables a laterall' tensioned condition at the proper vdistance omthe posts,' but :they inaybe laterally iexibley. to give under y impacts vupon ftheffendeg'in relatively .slanting direction, f'rfOinnarroW roads `built on La grade, .itfis 'Ofen impossible menthe; wenn thepdge nof the-road Without narrowing the driveway s,

to an impractical extent. Under suclicondi-f monsters Qflfhenpe il'hiseaefiinirigues 2 and are @used to, support the barrier at'fthe iso laeerailypfejeeejg ,integr-jar feet ,that are of the road abwhh theV yeldingbarrer is i i sary', byjriprap5 iasindicated at'g12 inlFigureQ. o'thebarrier in connection With a'yvirenet- 'afk p t 'eer e y tourtherl secure thejposts'againstlateralk t of the poetsezae'nd benennt-ne pgvnfgis straight posts llof the charactershovvn in v Figure 3, maybe used,` the `posts being pref-p,k

erablyset in a concrete foundation"15.V n

he pests inertie madebfimyl 'Suitableinaf t' 'terial and in "any desired shapegbut it iswprell' i i5 of the ycables ofthe" barrier.` The cablel6 rrted; by. endleSS sables, '2.4 as has' been illu-s- 'Ytrated'in'Iiigure*5...f..r

j cablretcgether. 1 In bothforrns of what; .Quim and vlters-Iatentfis;v

y @seriales ferred .to composed each post Vof twol InernbersY of angle section set conjointly in the ground in spaced and parallel relatonto eachother. This construction is best shown in Figure 4 of the drawings.

which @the, .fcables are rigidlysecured, may: be made ofsomewhat heavier material than the intermediate posts on which the cables are .supported 'toyield under impact in `lateral direction.v zV s L1 The yielding supports which hold the vcables under tension at incurving edges of aroad;

'as'v at A in Figure rl, consist y.ofan endless cable .sheaves 7disposed in thejspace betweenlthe member @iw-bieb theres@ is eemrosed, and having -itsv intermediate side pprtions yheld together beim/,eeny bolts `18 ,that are 'secured washers:

old cable supported on theVv post las hereinabove 4'def scribed, provirlesV twollforwardly projecting l arm'si of' triangular lfornrand at thegapexes of Bsefarins the oablesare secured byudamps 1,9,.2.: Y i "lk soqtha't itslcontinuity .may be produced with,- o`ut` plicing orwithoutthe use o separate fas- .Thgzbarrier VIriay .befcornposed yof one `or.

e ,'rnore pa'allellcables. `I' Inoret hangonef cable y is ;used,'fawirle netting v 23 may be stretched -be'tlweenthema's shown in Eigure 6, butthe Huse :0f such netting .is Ynotessentifal vvand in j fac'tit is `d'e'triniental in regions subjectedto rdrifting snows .which banked. against the barrier might obstruct-the."driveway; v s- 'Iflnore thanonecable is usedtoforrnflther barrier; the cables, may Abe Vindi vidually'sup- Y Each cable'is passed around apairfofiyv-ashers or vsheaves 2 5gashefpre, and it .is heldric-r tio fnally againsuundue 'longitudinal'rv motion 'by/:lock- .bolts 26.: .'Each cable ormsa single v "'krwardly pr0j.ectingarin oftriangularrtorm lat the lapex of .which therespective barrier# rna-yfalso function to. fasten'th Vmay be ya-riad 'to satisfyfditferentfrequire# The 4end postsy orf the intermediateposts to 'l'turned around twoplat'e washers orsinall to the vpost lat aA point intermediate of the one dse .fflhbismy-beemployedfr@` alse. c lonnectgthe lapping .ends ofthe cable the lirst describedi constructionpihis f Vclamp v cable-appt@ f fiijg'giexa: f tion ofythe:cablesconstitutinglthe barrierV ments. and'coldilt-ons.

ofthe forwardly projectng'pOI-i-,ion of the cablef.;y .v e o L V2. In a highway guardifenoelaY post,. a i

flexible eleinentprojecting orwardlytherefrom in angular form, and a barriersupport-Vr eid at the apex ofV the ,angl'e.

p3. In a highway guardv fence,

a post, ,21, flexible" element projectingL forwardly there-l fronti-'in yangularfhrin; andY 2a barriercable '.fclarnped between the sides of thev angle adjacentthelapex thereof.;l 1 y f4. Inahighway guard fence, a post,` a

endless cable vheld -onthe postv to be longiv tudinallyL adjustable and projecting forward'f "so lythferefrorn and abarriersupportedbthe Y 'forwardly projecting portion 'ofthe cablei 7 endl-ess cablesupported 'onthepos-t'andf held l frctionally in Ya position to which itl 'is ad# j-ustedy by; longitudinally .fingovement7 por-' VVV6. In a -higliwayfguard fence, yafpost., a flexible 'element :supportedV on the :post kland projecting forwardly'f from the same iin: Aa

tion ot the Vcable 'projectingforwardly fromVV the post, anda barrier supported atjfthond (ot said 'forwardlyprojecting portion. .e

andsfformed toprovide a vplurality` of for,-

wardly Yprojecting po'rtiensj,"y andga"-1loa 'rrierl y'supported at-theffends -of-said-rtons. e

orwardly from the post; means-between f the nal glnovement, andv-a-.barrier` supported at' frictionall in adjustedj onglitudinal rnovenient'-, and a VFbarriersupported at the end :efjthe jfoiwardf v 1. '.ly-projectingportion"ofthefcable;f1 desire ito secure 'b'yfIlet- "511919011153 OFGiHallyY-hOld' theabll aff' l position to which it is adjusted'bylongtudvj gz o i115 j ,.the'end-of the forwardly projectingportion cable-supportson the post;,1.a vcfable passed j Y around .vthe;-fsupportsv and` having o1.po'siteV f Y portions brought rtogether andY held between the supports to provide two forwardly projecting arms,and'a`barrier supported at the -ends of said arms.y y .A

o 1,12. In a highway lguarl fence, a post, cable-supportson the post, a cable passed around the supports and having opposite i f portions brought together and held between the supports to provide'two forwardly prod jeoting arms of triangular form, and a bar# lojrier supported attheapexes of said arms.

13. In-a' highway guard fence, a post,`

' eab'le-supports on the post, a cable passed aroundy the supports and 'having opposite l portions brought together and held between g K15frfthe supports 'torprovide two' `forwardly pro- A f 25 a'jclanip securing the barrier-oable'and the v 'lapping ends ofthe other cable. y f In testimony whereof I yhave aiiixed my signature.V

y CHARLES HARVEY MACDONALD. 

